Tetsu Narutani

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Patents Grantslast 30 patents

Information Patent Grant
Method for producing Mn-Zn ferrites
- Patent number 5,698,145
- Issue date Dec 16, 1997
- Kawasaki Steel Corporation
- Tetsu Narutani
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Low power loss Mn-Zn ferrites
- Patent number 5,368,763
- Issue date Nov 29, 1994
- Kawasaki Steel Corporation
- Masakatsu Yamazaki
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Method producing composite oxides for use as starting materials for...
- Patent number 5,190,740
- Issue date Mar 2, 1993
- Kawasaki Steel Corporation
- Tetsu Narutani
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Low power loss Mn-Zn ferrites
- Patent number 5,143,638
- Issue date Sep 1, 1992
- Kawasaki Steel Corporation
- Masakatsu Yamazaki
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Method for producing colored stainless steel stock
- Patent number 4,859,287
- Issue date Aug 22, 1989
- Kawasaki Steel Corporation
- Yuji Sone
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Ultrasoft stainless steel
- Patent number 4,690,798
- Issue date Sep 1, 1987
- Kawasaki Steel Corporation
- Tetsu Narutani
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...